730 ILCS 154/60
Any person who is required to register under this Act who violates any of the provisions of this Act and any person who is required to register under this Act who seeks to change his or her name under Article XXI of the Code of Civil Procedure is guilty of a Class 3 felony unless, as provided under Section 21-101 of the Code of Civil Procedure, that person verifies under oath that the petition for the name change is due to marriage, religious beliefs, status as a victim of trafficking or gender-related identity as defined by the Illinois Human Rights Act. Any person who is convicted for a violation of this Act for a second or subsequent time is guilty of a Class 2 felony unless, as provided under Section 21-101 of the Code of Civil Procedure, that person verifies under oath that the petition for the name change is due to marriage, religious beliefs, status as a victim of trafficking or gender-related identity as defined by the Illinois Human Rights Act. Any person who is required to register under this Act who knowingly or willfully gives material information required by this Act that is false is guilty of a Class 3 felony. Any person convicted of a violation of any provision of this Act shall, in addition to any other penalty required by law, be required to serve a minimum period of 7 days confinement in the local county jail. The court shall impose a mandatory minimum fine of $500 for failure to comply with any provision of this Act. These fines shall be deposited into the Offender Registration Fund. Any violent offender against youth who violates any provision of this Act may be arrested and tried in any Illinois county where the violent offender against youth can be located. The local police department or sheriff's office is not required to determine whether the person is living within its jurisdiction.
730 ILCS 154/60